Brochure FACADE SYSTEM - Solarwatt

Reliability – Self-sufficiency – Planning reliability
Savings with the multifunctional SOLARWATT FACADE SYSTEM are approximately
185% of the actual investment in the PV functionality
Example property
Building type
Standard glass facade
system (VHF)
SOLARWATT Facade System
Commercial building (construction industry, office building, etc.)
Surface for the facade system (VHF) in m² approx. 350
Assumed load profile:
Typical power consumption
Commercial use (work days 8:00 am to 6:00 pm), e.g.: office building, workshops,
service providers, construction industry
200,000 kWh/year
System costs per m² approx. € 260 approx. € 390
Structural
consideration
Energetic
consideration
Technically in accordance with
DIN 18008 - 3 Glass in building,
design and construction rules,
Part 3: punctiform mounted glazing
Weather resistance √ √
Stability √ √
Fire protection √ √
Noise protection √ √
Heat protection √ √
Function of reliable power generation X √
Annual energy yield in kWh/m²*
(* Location: Berlin) X approx. 100 kWh/m2
Annual self-consumption rate in % 0 % approx. 15 %
Power delivery costs after 20 years (cum.) € 1,005,675 € 862,550
√
√
0.30
80000
0.25
0.20
60000
Energy costs in € per kWh
0.15
0.10
40000
20000
Cumulative savings
0.05
0
0
2027
2013
2018
2023
2032
Cumulative savings with the SOLARWATT FACADE SYSTEM
Power costs with the SOLARWATT FACADE SYSTEM
Conventional electricity costs
Assumptions: SOLARWATT FACADE SYSTEM multifunctional facade (48 kWp system size with 60% borrowed capital financed at 4% interest over 10 years),
Location: Berlin, south facade